The midfielder wants the Black Stars to make Africa proud...
It is the first time the West African nation has made it this far in the tournament, and Muntari says that the whole continent is behind them.
"We are very pleased that we were able to defeat the United States," the Inter player told Italpress. "It was a jubilant moment, and we want to continue on this path.
"We want to write our names in the history books. Our objective is to make the semi-finals.
"We have the support of the entire African continent, and it is a magnificent feeling. We want to do well for all the people who are following and supporting us," he added.
Ghana meet Uruguay on Friday at Soccer City in Johannesburg.